If your monster attacks a Defense Position monster, inflict piercing battle damage to your opponent. Once per turn, when your monster destroys an opponent s monster by battle: You can inflict damage to your opponent equal to the destroyed monster s original ATK. If this card is destroyed: You can Special Summon both 1 Dark Magician and 1 Gaia the Dragon Champion from your hand, Deck, Extra Deck, and or GY.